问题
单项选择题
呼气末正压通气(PEEP)的作用有()
A．使肺泡扩张，减少肺泡气压伤
B．增加肺内分流，提高动脉氧分压
C．增加肺泡通气量，增加肺泡气B动脉血氧分压差
D．提高肺顺应性，增加功能残气量
E．降低呼吸作功，增加心排血量
答案
参考答案：D
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呼气末正压通气(PEEP)的作用有()
A．使肺泡扩张，减少肺泡气压伤
B．增加肺内分流，提高动脉氧分压
C．增加肺泡通气量，增加肺泡气B动脉血氧分压差
D．提高肺顺应性，增加功能残气量
E．降低呼吸作功，增加心排血量
参考答案：D
Linda and Mary are good friends. Linda is thirteen. She comes from the U.S.A. Mary is twelve. She’s from London(伦敦). They study in the same school, but in different classes. Linda’s father teaches English in a middle school. Her mother drives a car. Mary’s mother works in an office. Her father is a doctor. Linda can speak English, French(法语) and a little Chinese. Linda’s mother likes cooking. She likes eating rice. But Linda’ s father doesn’t. He likes drinking milk and eating bread. Mary’s mother doesn’t like cooking. But she likes doing some shopping. She can make nice skirts and dresses. Mary’s father likes doing housework(家务). 根据短文内容，完成下表。 小题1:.
②_________________________________________________________________________ ③_________________________________________________________________________ ④_________________________________________________________________________ ⑤_________________________________________________________________________ 根据短文内容，回答下列问题。 小题2:Where does Mary come from? _________________________________________________________________________ 小题3:What does Linda’s father do? _________________________________________________________________________ 小题4:Where does Mary’s father work? _________________________________________________________________________ 小题5:What can Linda speak? |